/*
 * Copyright (C) 2005 - 2013 MaNGOS <http://www.getmangos.com/>
 *
 * Copyright (C) 2008 - 2013 Trinity <http://www.trinitycore.org/>
 *
 * Copyright (C) 2006 - 2013 ScriptDev2 <http://www.scriptdev2.com/>
 *
 * Copyright (C) 2010 - 2013 ProjectSkyfire <http://www.projectskyfire.org/>
 *
 * Copyright (C) 2011 - 2013 ArkCORE <http://www.arkania.net/>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */

#include "ScriptPCH.h"
#include "Vehicle.h"
#include "ObjectMgr.h"
#include "ScriptedEscortAI.h"

/*######
 ##Quest 12848
 ######*/

#define GCD_CAST    1

enum eDeathKnightSpells {
    SPELL_SOUL_PRISON_CHAIN_SELF = 54612,
    SPELL_SOUL_PRISON_CHAIN = 54613,
    SPELL_DK_INITIATE_VISUAL = 51519,

    SPELL_ICY_TOUCH = 52372,
    SPELL_PLAGUE_STRIKE = 52373,
    SPELL_BLOOD_STRIKE = 52374,
    SPELL_DEATH_COIL = 52375
};

#define EVENT_ICY_TOUCH                 1
#define EVENT_PLAGUE_STRIKE             2
#define EVENT_BLOOD_STRIKE              3
#define EVENT_DEATH_COIL                4

//used by 29519, 29520, 29565, 29566, 29567 but signed for 29519
int32 say_event_start[8] = { -1609000, -1609001, -1609002, -1609003, -1609004,
        -1609005, -1609006, -1609007 };

int32 say_event_attack[9] = { -1609008, -1609009, -1609010, -1609011, -1609012,
        -1609013, -1609014, -1609015, -1609016 };

uint32 acherus_soul_prison[12] = { 191577, 191580, 191581, 191582, 191583,
        191584, 191585, 191586, 191587, 191588, 191589, 191590 };

uint32 acherus_unworthy_initiate[5] = { 29519, 29520, 29565, 29566, 29567 };

enum UnworthyInitiatePhase {
    PHASE_CHAINED,
    PHASE_TO_EQUIP,
    PHASE_EQUIPING,
    PHASE_TO_ATTACK,
    PHASE_ATTACKING,
};

class npc_unworthy_initiate: public CreatureScript {
public:
    npc_unworthy_initiate() :
            CreatureScript("npc_unworthy_initiate") {
    }

    CreatureAI* GetAI(Creature* pCreature) const {
        return new npc_unworthy_initiateAI(pCreature);
    }

    struct npc_unworthy_initiateAI: public ScriptedAI {
        npc_unworthy_initiateAI(Creature *c) :
                ScriptedAI(c) {
            me->SetReactState(REACT_PASSIVE);
            if (!me->GetEquipmentId())
                if (const CreatureInfo *info = GetCreatureInfo(28406))
                    if (info->equipmentId)
                        const_cast<CreatureInfo*>(me->GetCreatureInfo())->equipmentId =
                                info->equipmentId;
        }

        uint64 playerGUID;
        UnworthyInitiatePhase phase;
        uint32 wait_timer;
        float anchorX, anchorY;
        uint64 anchorGUID;

        EventMap events;

        void Reset() {
            anchorGUID = 0;
            phase = PHASE_CHAINED;
            events.Reset();
            me->setFaction(7);
            me->SetFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_OOC_NOT_ATTACKABLE);
            me->SetUInt32Value(UNIT_FIELD_BYTES_1, 8);
            me->LoadEquipment(0, true);
        }

        void EnterCombat(Unit * /*who*/) {
            events.ScheduleEvent(EVENT_ICY_TOUCH, 1000, GCD_CAST);
            events.ScheduleEvent(EVENT_PLAGUE_STRIKE, 3000, GCD_CAST);
            events.ScheduleEvent(EVENT_BLOOD_STRIKE, 2000, GCD_CAST);
            events.ScheduleEvent(EVENT_DEATH_COIL, 5000, GCD_CAST);
        }

        void MovementInform(uint32 type, uint32 id) {
            if (type != POINT_MOTION_TYPE)
                return;

            if (id == 1) {
                wait_timer = 5000;
                me->CastSpell(me, SPELL_DK_INITIATE_VISUAL, true);

                if (Player* starter = Unit::GetPlayer(*me, playerGUID))
                    DoScriptText(say_event_attack[rand() % 9], me, starter);

                phase = PHASE_TO_ATTACK;
            }
        }

        void EventStart(Creature* anchor, Player *pTarget) {
            wait_timer = 5000;
            phase = PHASE_TO_EQUIP;

            me->SetUInt32Value(UNIT_FIELD_BYTES_1, 0);
            me->RemoveAurasDueToSpell(SPELL_SOUL_PRISON_CHAIN_SELF);
            me->RemoveAurasDueToSpell(SPELL_SOUL_PRISON_CHAIN);

            float z;
            anchor->GetContactPoint(me, anchorX, anchorY, z, 1.0f);

            playerGUID = pTarget->GetGUID();
            DoScriptText(say_event_start[rand() % 8], me, pTarget);
        }

        void UpdateAI(const uint32 diff) {
            switch (phase) {
            case PHASE_CHAINED:
                if (!anchorGUID) {
                    if (Creature *anchor = me->FindNearestCreature(29521, 30)) {
                        anchor->AI()->SetGUID(me->GetGUID());
                        anchor->CastSpell(me, SPELL_SOUL_PRISON_CHAIN, true);
                        anchorGUID = anchor->GetGUID();
                    } else
                        sLog->outError(
                                "npc_unworthy_initiateAI: unable to find anchor!");

                    float dist = 99.0f;
                    GameObject *prison = NULL;

                    for (uint8 i = 0; i < 12; ++i) {
                        if (GameObject* temp_prison = me->FindNearestGameObject(acherus_soul_prison[i], 30)) {
                            if (me->IsWithinDist(temp_prison, dist, false)) {
                                dist = me->GetDistance2d(temp_prison);
                                prison = temp_prison;
                            }
                        }
                    }

                    if (prison)
                        prison->ResetDoorOrButton();
                    else
                        sLog->outError(
                                "npc_unworthy_initiateAI: unable to find prison!");
                }
                break;
            case PHASE_TO_EQUIP:
                if (wait_timer) {
                    if (wait_timer > diff)
                        wait_timer -= diff;
                    else {
                        me->GetMotionMaster()->MovePoint(1, anchorX, anchorY,
                                me->GetPositionZ());
                        //sLog->outDebug("npc_unworthy_initiateAI: move to %f %f %f", anchorX, anchorY, me->GetPositionZ());
                        phase = PHASE_EQUIPING;
                        wait_timer = 0;
                    }
                }
                break;
            case PHASE_TO_ATTACK:
                if (wait_timer) {
                    if (wait_timer > diff)
                        wait_timer -= diff;
                    else {
                        me->setFaction(14);
                        me->RemoveFlag(UNIT_FIELD_FLAGS,
                                UNIT_FLAG_OOC_NOT_ATTACKABLE);
                        phase = PHASE_ATTACKING;

                        if (Player *pTarget = Unit::GetPlayer(*me, playerGUID))
                            me->AI()->AttackStart(pTarget);
                        wait_timer = 0;
                    }
                }
                break;
            case PHASE_ATTACKING:
                if (!UpdateVictim())
                    return;

                events.Update(diff);

                while (uint32 eventId = events.ExecuteEvent()) {
                    switch (eventId) {
                    case EVENT_ICY_TOUCH:
                        DoCast(me->getVictim(), SPELL_ICY_TOUCH);
                        events.DelayEvents(1000, GCD_CAST);
                        events.ScheduleEvent(EVENT_ICY_TOUCH, 5000, GCD_CAST);
                        break;
                    case EVENT_PLAGUE_STRIKE:
                        DoCast(me->getVictim(), SPELL_PLAGUE_STRIKE);
                        events.DelayEvents(1000, GCD_CAST);
                        events.ScheduleEvent(SPELL_PLAGUE_STRIKE, 5000,
                                GCD_CAST);
                        break;
                    case EVENT_BLOOD_STRIKE:
                        DoCast(me->getVictim(), SPELL_BLOOD_STRIKE);
                        events.DelayEvents(1000, GCD_CAST);
                        events.ScheduleEvent(EVENT_BLOOD_STRIKE, 5000,
                                GCD_CAST);
                        break;
                    case EVENT_DEATH_COIL:
                        DoCast(me->getVictim(), SPELL_DEATH_COIL);
                        events.DelayEvents(1000, GCD_CAST);
                        events.ScheduleEvent(EVENT_DEATH_COIL, 5000, GCD_CAST);
                        break;
                    }
                }

                DoMeleeAttackIfReady();
                break;
            default:
                break;
            }
        }
    };
};

class npc_unworthy_initiate_anchor: public CreatureScript {
public:
    npc_unworthy_initiate_anchor() :
            CreatureScript("npc_unworthy_initiate_anchor") {
    }

    CreatureAI* GetAI(Creature* pCreature) const {
        return new npc_unworthy_initiate_anchorAI(pCreature);
    }

    struct npc_unworthy_initiate_anchorAI: public PassiveAI {
        npc_unworthy_initiate_anchorAI(Creature *c) :
                PassiveAI(c), prisonerGUID(0) {
        }

        uint64 prisonerGUID;

        void SetGUID(const uint64 &guid, int32 /*id*/) {
            if (!prisonerGUID)
                prisonerGUID = guid;
        }

        uint64 GetGUID(int32 /*id*/) {
            return prisonerGUID;
        }
    };
};

class go_acherus_soul_prison: public GameObjectScript {
public:
    go_acherus_soul_prison() :
            GameObjectScript("go_acherus_soul_prison") {
    }

    bool OnGossipHello(Player* pPlayer, GameObject* pGo) {
        if (Creature *anchor = pGo->FindNearestCreature(29521, 15))
            if (uint64 prisonerGUID = anchor->AI()->GetGUID())
                if (Creature* prisoner = Creature::GetCreature(*pPlayer, prisonerGUID))
                    CAST_AI(npc_unworthy_initiate::npc_unworthy_initiateAI, prisoner->AI())->EventStart(
                            anchor, pPlayer);

        return false;
    }
};

/*######
 ## npc_eye_of_acherus
 ######*/

enum EyeOfAcherus {
    DISPLAYID_EYE_HUGE = 26320,
    DISPLAYID_EYE_SMALL = 25499,

    SPELL_EYE_PHASEMASK = 70889,
    SPELL_EYE_VISUAL = 51892,
    SPELL_EYE_FL_BOOST_RUN = 51923,
    SPELL_EYE_FL_BOOST_FLY = 51890,
    SPELL_EYE_CONTROL = 51852,
};
//#define SAY_EYE_LAUNCHED          "Eye of Acherus is launched towards its destination."
//#define SAY_EYE_UNDER_CONTROL     "You are now in control of the eye."

// for some reason yells aren't working correctly yet.
enum YELLS {
    SAY_EYE_LAUNCHED = -1666451, SAY_EYE_UNDER_CONTROL = -1666452
};

static Position Center[] =
        { { 2346.550049f, -5694.430176f, 426.029999f, 0.0f }, };

class npc_eye_of_acherus: public CreatureScript {
public:
    npc_eye_of_acherus() :
            CreatureScript("npc_eye_of_acherus") {
    }

    CreatureAI* GetAI(Creature* pCreature) const {
        return new npc_eye_of_acherusAI(pCreature);
    }

    struct npc_eye_of_acherusAI: public ScriptedAI {
        npc_eye_of_acherusAI(Creature *pCreature) :
                ScriptedAI(pCreature) {
            Reset();
        }

        uint32 m_uiStartTimer;
        bool m_bIsActive;

        void Reset() {
            if (Unit* pController = me->GetCharmer())
                me->SetLevel(pController->getLevel());

            me->CastSpell(me, 51890, true);
            me->SetDisplayId(26320);

            DoScriptText(SAY_EYE_LAUNCHED, me);
            me->SetHomePosition(2363.970589f, -5659.861328f, 504.316833f, 0);
            me->GetMotionMaster()->MoveCharge(1752.858276f, -5878.270996f,
                    145.136444f, 0); //position center
            me->SetReactState(REACT_AGGRESSIVE);
            me->RemoveFlag(
                    UNIT_FIELD_FLAGS,
                    UNIT_FLAG_NON_ATTACKABLE | UNIT_FLAG_NOT_SELECTABLE
                            | UNIT_FLAG_STUNNED);

            m_bIsActive = false;
            m_uiStartTimer = 2000;
        }

        void AttackStart(Unit *) {
        }
        void MoveInLineOfSight(Unit *) {
        }

        void JustDied(Unit* /*pKiller*/) {
            if (Unit* charmer = me->GetCharmer())
                charmer->RemoveAurasDueToSpell(51852);
        }

        void UpdateAI(const uint32 uiDiff) {
            if (me->isCharmed()) {
                if (m_uiStartTimer <= uiDiff && !m_bIsActive) // fly to start point
                        {
                    me->CastSpell(me, 70889, true);
                    me->CastSpell(me, 51892, true);
                    me->CastSpell(me, 51890, true);

                    // workaround for faster flight speed
                    me->CastSpell(me, 51923, true);
                    me->SetSpeed(MOVE_FLIGHT, 3.4f, true);

                    me->GetMotionMaster()->MovePoint(0, 1711.0f, -5820.0f,
                            147.0f);
                    return; // was "me = true;" causing errors
                } else
                    m_uiStartTimer -= uiDiff;
            } else
                me->ForcedDespawn();
        }

        void MovementInform(uint32 uiType, uint32 uiPointId) {
            if (uiType != POINT_MOTION_TYPE || uiPointId != 0)
                return;

            // I think those morphs are not blizzlike...
            me->SetDisplayId(25499);

            // for some reason it does not work when this spell is casted before the waypoint movement
            me->CastSpell(me, 51892, true);
            me->CastSpell(me, 51890, true);
            DoScriptText(SAY_EYE_UNDER_CONTROL, me);
            ((Player*) (me->GetCharmer()))->SetClientControl(me, 1);
        }
    };
};

/*######
 ## npc_death_knight_initiate
 ######*/

#define GOSSIP_ACCEPT_DUEL      "I challenge you, death knight!"

enum eDuelEnums {
    SAY_DUEL_A = -1609080,
    SAY_DUEL_B = -1609081,
    SAY_DUEL_C = -1609082,
    SAY_DUEL_D = -1609083,
    SAY_DUEL_E = -1609084,
    SAY_DUEL_F = -1609085,
    SAY_DUEL_G = -1609086,
    SAY_DUEL_H = -1609087,
    SAY_DUEL_I = -1609088,

    SPELL_DUEL = 52996,
    //SPELL_DUEL_TRIGGERED        = 52990,
    SPELL_DUEL_VICTORY = 52994,
    SPELL_DUEL_FLAG = 52991,

    QUEST_DEATH_CHALLENGE = 12733,
    FACTION_HOSTILE = 2068
};

int32 m_auiRandomSay[] = { SAY_DUEL_A, SAY_DUEL_B, SAY_DUEL_C, SAY_DUEL_D,
        SAY_DUEL_E, SAY_DUEL_F, SAY_DUEL_G, SAY_DUEL_H, SAY_DUEL_I };

class npc_death_knight_initiate: public CreatureScript {
public:
    npc_death_knight_initiate() :
            CreatureScript("npc_death_knight_initiate") {
    }

    bool OnGossipSelect(Player* pPlayer, Creature* pCreature,
            uint32 /*uiSender*/, uint32 uiAction) {
        pPlayer->PlayerTalkClass->ClearMenus();
        if (uiAction == GOSSIP_ACTION_INFO_DEF) {
            pPlayer->CLOSE_GOSSIP_MENU();

            if (pPlayer->isInCombat() || pCreature->isInCombat())
                return true;

            if (npc_death_knight_initiateAI* pInitiateAI = CAST_AI(npc_death_knight_initiate::npc_death_knight_initiateAI, pCreature->AI())) {
                if (pInitiateAI->m_bIsDuelInProgress)
                    return true;
            }

            pCreature->RemoveFlag(UNIT_FIELD_FLAGS,
                    UNIT_FLAG_OOC_NOT_ATTACKABLE);
            pCreature->RemoveFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_UNK_15);

            int32 uiSayId = rand() % (sizeof(m_auiRandomSay) / sizeof(int32));
            DoScriptText(m_auiRandomSay[uiSayId], pCreature, pPlayer);

            pPlayer->CastSpell(pCreature, SPELL_DUEL, false);
            pPlayer->CastSpell(pPlayer, SPELL_DUEL_FLAG, true);
        }
        return true;
    }

    bool OnGossipHello(Player* pPlayer, Creature* pCreature) {
        if (pPlayer->GetQuestStatus(QUEST_DEATH_CHALLENGE)
                == QUEST_STATUS_INCOMPLETE && pCreature->IsFullHealth()) {
            if (pPlayer->HealthBelowPct(10))
                return true;

            if (pPlayer->isInCombat() || pCreature->isInCombat())
                return true;

            pPlayer->ADD_GOSSIP_ITEM(GOSSIP_ICON_CHAT, GOSSIP_ACCEPT_DUEL, GOSSIP_SENDER_MAIN, GOSSIP_ACTION_INFO_DEF);
            pPlayer->SEND_GOSSIP_MENU(pPlayer->GetGossipTextId(pCreature), pCreature->GetGUID());
        }
        return true;
    }

    CreatureAI* GetAI(Creature* pCreature) const {
        return new npc_death_knight_initiateAI(pCreature);
    }

    struct npc_death_knight_initiateAI: public CombatAI {
        npc_death_knight_initiateAI(Creature* pCreature) :
                CombatAI(pCreature) {
            m_bIsDuelInProgress = false;
        }

        bool lose;
        uint64 m_uiDuelerGUID;
        uint32 m_uiDuelTimer;
        bool m_bIsDuelInProgress;

        void Reset() {
            lose = false;
            me->RestoreFaction();
            CombatAI::Reset();

            me->SetFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_UNK_15);

            m_uiDuelerGUID = 0;
            m_uiDuelTimer = 5000;
            m_bIsDuelInProgress = false;
        }

        void SpellHit(Unit* pCaster, const SpellEntry* pSpell) {
            if (!m_bIsDuelInProgress && pSpell->Id == SPELL_DUEL) {
                m_uiDuelerGUID = pCaster->GetGUID();
                m_bIsDuelInProgress = true;
            }
        }

        void DamageTaken(Unit* pDoneBy, uint32 &uiDamage) {
            if (m_bIsDuelInProgress && pDoneBy->IsControlledByPlayer()) {
                if (pDoneBy->GetGUID() != m_uiDuelerGUID
                        && pDoneBy->GetOwnerGUID() != m_uiDuelerGUID) // other players cannot help
                    uiDamage = 0;
                else if (uiDamage >= me->GetHealth()) {
                    uiDamage = 0;

                    if (!lose) {
                        pDoneBy->RemoveGameObject(SPELL_DUEL_FLAG, true);
                        pDoneBy->AttackStop();
                        me->CastSpell(pDoneBy, SPELL_DUEL_VICTORY, true);
                        lose = true;
                        me->CastSpell(me, 7267, true);
                        me->RestoreFaction();
                    }
                }
            }
        }

        void UpdateAI(const uint32 uiDiff) {
            if (!UpdateVictim()) {
                if (m_bIsDuelInProgress) {
                    if (m_uiDuelTimer <= uiDiff) {
                        me->setFaction(FACTION_HOSTILE);

                        if (Unit* pUnit = Unit::GetUnit(*me, m_uiDuelerGUID))
                            AttackStart(pUnit);
                    } else
                        m_uiDuelTimer -= uiDiff;
                }
                return;
            }

            if (m_bIsDuelInProgress) {
                if (lose) {
                    if (!me->HasAura(7267))
                        EnterEvadeMode();
                    return;
                } else if (me->getVictim()->GetTypeId() == TYPEID_PLAYER
                        && me->getVictim()->HealthBelowPct(10)) {
                    me->getVictim()->CastSpell(me->getVictim(), 7267, true); // beg
                    me->getVictim()->RemoveGameObject(SPELL_DUEL_FLAG, true);
                    EnterEvadeMode();
                    return;
                }
            }

            // TODO: spells

            CombatAI::UpdateAI(uiDiff);
        }
    };
};

/*######
## npc_dark_rider_of_acherus
######*/

#define DESPAWN_HORSE 52267
#define SAY_DARK_RIDER      "The realm of shadows awaits..."

class npc_dark_rider_of_acherus : public CreatureScript
{
public:
    npc_dark_rider_of_acherus() : CreatureScript("npc_dark_rider_of_acherus") { }

    CreatureAI* GetAI(Creature* creature) const
    {
        return new npc_dark_rider_of_acherusAI(creature);
    }

    struct npc_dark_rider_of_acherusAI : public ScriptedAI
    {
        npc_dark_rider_of_acherusAI(Creature* creature) : ScriptedAI(creature) {}

        uint32 PhaseTimer;
        uint32 Phase;
        bool Intro;
        uint64 TargetGUID;

        void Reset()
        {
            PhaseTimer = 4000;
            Phase = 0;
            Intro = false;
            TargetGUID = 0;
        }

        void UpdateAI(const uint32 diff)
        {
            if (!Intro || !TargetGUID)
                return;

            if (PhaseTimer <= diff)
            {
                switch (Phase)
                {
                   case 0:
                        me->MonsterSay(SAY_DARK_RIDER, LANG_UNIVERSAL, 0);
                        PhaseTimer = 5000;
                        Phase = 1;
                        break;
                    case 1:
                        if (Unit* target = Unit::GetUnit(*me, TargetGUID))
                            DoCast(target, DESPAWN_HORSE, true);
                        PhaseTimer = 3000;
                        Phase = 2;
                        break;
                    case 2:
                        me->SetVisible(false);
                        PhaseTimer = 2000;
                        Phase = 3;
                        break;
                    case 3:
                        me->DespawnOrUnsummon();
                        break;
                    default:
                        break;
                }
            } else PhaseTimer -= diff;
        }

        void InitDespawnHorse(Unit* who)
        {
            if (!who)
                return;

            TargetGUID = who->GetGUID();
            me->SetWalk(true);
            me->SetSpeed(MOVE_RUN, 0.4f);
            me->GetMotionMaster()->MoveChase(who);
            me->SetTarget(TargetGUID);
            Intro = true;
        }
    };
};

/*######
## npc_salanar_the_horseman
######*/

enum eSalanar
{
    REALM_OF_SHADOWS            = 52693,
    EFFECT_STOLEN_HORSE         = 52263,
    DELIVER_STOLEN_HORSE        = 52264,
    CALL_DARK_RIDER             = 52266,
    SPELL_EFFECT_OVERTAKE       = 52349
};

class npc_salanar_the_horseman : public CreatureScript
{
public:
    npc_salanar_the_horseman() : CreatureScript("npc_salanar_the_horseman") { }

    CreatureAI* GetAI(Creature* creature) const
    {
        return new npc_salanar_the_horsemanAI(creature);
    }

    struct npc_salanar_the_horsemanAI : public ScriptedAI
    {
        npc_salanar_the_horsemanAI(Creature* creature) : ScriptedAI(creature) {}

        void SpellHit(Unit* caster, const SpellEntry* spell)
        {
            if (spell->Id == DELIVER_STOLEN_HORSE)
            {
                if (caster->GetTypeId() == TYPEID_UNIT && caster->IsVehicle())
                {
                    if (Unit* charmer = caster->GetCharmer())
                    {
                        if (charmer->HasAura(EFFECT_STOLEN_HORSE))
                        {
                            charmer->RemoveAurasDueToSpell(EFFECT_STOLEN_HORSE);
                            caster->RemoveFlag(UNIT_NPC_FLAGS, UNIT_NPC_FLAG_SPELLCLICK);
                            caster->setFaction(35);
                            DoCast(caster, CALL_DARK_RIDER, true);
                            if (Creature* Dark_Rider = me->FindNearestCreature(28654, 15))
                                CAST_AI(npc_dark_rider_of_acherus::npc_dark_rider_of_acherusAI, Dark_Rider->AI())->InitDespawnHorse(caster);
                        }
                    }
                }
            }
        }

        void MoveInLineOfSight(Unit* who)
        {
            ScriptedAI::MoveInLineOfSight(who);

            if (who->GetTypeId() == TYPEID_UNIT && who->IsVehicle() && me->IsWithinDistInMap(who, 5.0f))
            {
                if (Unit* charmer = who->GetCharmer())
                {
                    if (charmer->GetTypeId() == TYPEID_PLAYER)
                    {
                        // for quest Into the Realm of Shadows(12687)
                        if (me->GetEntry() == 28788 && CAST_PLR(charmer)->GetQuestStatus(12687) == QUEST_STATUS_INCOMPLETE)
                        {
                            CAST_PLR(charmer)->GroupEventHappens(12687, me);
                            charmer->RemoveAurasDueToSpell(SPELL_EFFECT_OVERTAKE);
                            CAST_CRE(who)->ForcedDespawn();
                            //CAST_CRE(who)->Respawn(true);
                        }

                        if (CAST_PLR(charmer)->HasAura(REALM_OF_SHADOWS))
                            charmer->RemoveAurasDueToSpell(REALM_OF_SHADOWS);
                    }
                }
            }
        }
    };
};

/*######
## npc_ros_dark_rider
######*/

class npc_ros_dark_rider : public CreatureScript
{
public:
    npc_ros_dark_rider() : CreatureScript("npc_ros_dark_rider") { }

    CreatureAI* GetAI(Creature* creature) const
    {
        return new npc_ros_dark_riderAI(creature);
    }

    struct npc_ros_dark_riderAI : public ScriptedAI
    {
        npc_ros_dark_riderAI(Creature* creature) : ScriptedAI(creature) {}

        void EnterCombat(Unit* /*who*/)
        {
            me->ExitVehicle();
        }

        void Reset()
        {
            Creature* deathcharger = me->FindNearestCreature(28782, 30);
            if (!deathcharger) return;
            deathcharger->RestoreFaction();
            deathcharger->RemoveFlag(UNIT_NPC_FLAGS, UNIT_NPC_FLAG_SPELLCLICK);
            deathcharger->SetFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_NOT_SELECTABLE);
            if (!me->GetVehicle() && deathcharger->IsVehicle() && deathcharger->GetVehicleKit()->HasEmptySeat(0))
                me->EnterVehicle(deathcharger);
        }

        void JustDied(Unit* killer)
        {
            Creature* deathcharger = me->FindNearestCreature(28782, 30);
            if (!deathcharger) return;
            if (killer->GetTypeId() == TYPEID_PLAYER && deathcharger->GetTypeId() == TYPEID_UNIT && deathcharger->IsVehicle())
            {
                deathcharger->SetFlag(UNIT_NPC_FLAGS, UNIT_NPC_FLAG_SPELLCLICK);
                deathcharger->RemoveFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_NOT_SELECTABLE);
                deathcharger->setFaction(2096);
            }
        }
    };
};

// correct way: 52312 52314 52555 ...
enum SG {
    GHOULS = 28845, GHOSTS = 28846,
};
class npc_dkc1_gothik: public CreatureScript {
public:
    npc_dkc1_gothik() :
            CreatureScript("npc_dkc1_gothik") {
    }

    CreatureAI* GetAI(Creature* pCreature) const {
        return new npc_dkc1_gothikAI(pCreature);
    }

    struct npc_dkc1_gothikAI: public ScriptedAI {
        npc_dkc1_gothikAI(Creature *c) :
                ScriptedAI(c) {
        }

        void MoveInLineOfSight(Unit *who) {
            ScriptedAI::MoveInLineOfSight(who);

            if (who->GetEntry() == GHOULS
                    && me->IsWithinDistInMap(who, 10.0f)) {
                if (Unit *owner = who->GetOwner()) {
                    if (owner->GetTypeId() == TYPEID_PLAYER) {
                        if (CAST_PLR(owner)->GetQuestStatus(12698)
                                == QUEST_STATUS_INCOMPLETE)
                            CAST_CRE(who)->CastSpell(owner, 52517, true);

                        //Todo: Creatures must not be removed, but, must instead
                        //      stand next to Gothik and be commanded into the pit
                        //      and dig into the ground.
                        CAST_CRE(who)->ForcedDespawn();

                        if (CAST_PLR(owner)->GetQuestStatus(12698)
                                == QUEST_STATUS_COMPLETE)
                            owner->RemoveAllMinionsByEntry(GHOULS);
                    }
                }
            }
        }
    };
};

class npc_scarlet_ghoul: public CreatureScript {
public:
    npc_scarlet_ghoul() :
            CreatureScript("npc_scarlet_ghoul") {
    }

    CreatureAI* GetAI(Creature* pCreature) const {
        return new npc_scarlet_ghoulAI(pCreature);
    }

    struct npc_scarlet_ghoulAI: public ScriptedAI {
        npc_scarlet_ghoulAI(Creature *c) :
                ScriptedAI(c) {
            // Ghouls should display their Birth Animation
            // Crawling out of the ground
            //DoCast(me, 35177, true);
            //me->MonsterSay("Mommy?", LANG_UNIVERSAL, 0);
            me->SetReactState(REACT_DEFENSIVE);
        }

        void FindMinions(Unit *owner) {
            std::list<Unit*> MinionList;
            owner->GetAllMinionsByEntry(MinionList, GHOULS);

            if (!MinionList.empty()) {
                for (std::list<Unit*>::const_iterator itr = MinionList.begin();
                        itr != MinionList.end(); ++itr) {
                    if (CAST_CRE(*itr)->GetOwner()->GetGUID()
                            == me->GetOwner()->GetGUID()) {
                        if (CAST_CRE(*itr)->isInCombat()
                                && CAST_CRE(*itr)->getAttackerForHelper()) {
                            AttackStart(CAST_CRE(*itr)->getAttackerForHelper());
                        }
                    }
                }
            }
        }

        void UpdateAI(const uint32 /*diff*/) {
            if (!me->isInCombat()) {
                if (Unit *owner = me->GetOwner()) {
                    if (owner->GetTypeId() == TYPEID_PLAYER
                            && CAST_PLR(owner)->isInCombat()) {
                        if (CAST_PLR(owner)->getAttackerForHelper()
                                && CAST_PLR(owner)->getAttackerForHelper()->GetEntry()
                                        == GHOSTS) {
                            AttackStart(
                                    CAST_PLR(owner)->getAttackerForHelper());
                        } else {
                            FindMinions(owner);
                        }
                    }
                }
            }

            if (!UpdateVictim())
                return;

            //ScriptedAI::UpdateAI(diff);
            //Check if we have a current target
            if (me->getVictim()->GetEntry() == GHOSTS) {
                if (me->isAttackReady()) {
                    //If we are within range melee the target
                    if (me->IsWithinMeleeRange(me->getVictim())) {
                        me->AttackerStateUpdate(me->getVictim());
                        me->resetAttackTimer();
                    }
                }
            }
        }
    };
};

/*####
 ## npc_scarlet_miner_cart
 ####*/

#define SPELL_CART_CHECK     54173
#define SPELL_CART_DRAG      52465

class npc_scarlet_miner_cart: public CreatureScript {
public:
    npc_scarlet_miner_cart() :
            CreatureScript("npc_scarlet_miner_cart") {
    }

    CreatureAI* GetAI(Creature *_Creature) const {
        return new npc_scarlet_miner_cartAI(_Creature);
    }

    struct npc_scarlet_miner_cartAI: public PassiveAI {
        npc_scarlet_miner_cartAI(Creature *c) :
                PassiveAI(c), minerGUID(0) {
            me->SetFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_OOC_NOT_ATTACKABLE);
            me->SetDisplayId(me->GetCreatureInfo()->Modelid2); // Modelid1 is a horse.
        }

        uint64 minerGUID;

        void SetGUID(const uint64 &guid, int32 /*id*/) {
            minerGUID = guid;
        }

        void DoAction(const int32 /*param*/) {
            if (Creature *miner = Unit::GetCreature(*me, minerGUID)) {
                me->RemoveUnitMovementFlag(MOVEMENTFLAG_WALKING);

                //Not 100% correct, but movement is smooth. Sometimes miner walks faster
                //than normal, this speed is fast enough to keep up at those times.
                me->SetSpeed(MOVE_RUN, 1.25f);

                me->GetMotionMaster()->MoveFollow(miner, 1.0f, 0);
            }
        }

        void PassengerBoarded(Unit * /*who*/, int8 /*seatId*/, bool apply) {
            if (!apply)
                if (Creature *miner = Unit::GetCreature(*me, minerGUID))
                    miner->DisappearAndDie();
        }
    };
};

/*####
 ## npc_scarlet_miner
 ####*/

#define SAY_SCARLET_MINER1  "Where'd this come from? I better get this down to the ships before the foreman sees it!"
#define SAY_SCARLET_MINER2  "Now I can have a rest!"

class npc_scarlet_miner: public CreatureScript {
public:
    npc_scarlet_miner() :
            CreatureScript("npc_scarlet_miner") {
    }

    CreatureAI* GetAI(Creature *_Creature) const {
        return new npc_scarlet_minerAI(_Creature);
    }

    struct npc_scarlet_minerAI: public npc_escortAI {
        npc_scarlet_minerAI(Creature *c) :
                npc_escortAI(c) {
            me->SetReactState(REACT_PASSIVE);
        }

        uint32 IntroTimer;
        uint32 IntroPhase;
        uint64 carGUID;

        void Reset() {
            carGUID = 0;
            IntroTimer = 0;
            IntroPhase = 0;
        }

        void InitWaypoint() {
            AddWaypoint(1, 2389.03f, -5902.74f, 109.014f, 5000);
            AddWaypoint(2, 2341.812012f, -5900.484863f, 102.619743f);
            AddWaypoint(3, 2306.561279f, -5901.738281f, 91.792419f);
            AddWaypoint(4, 2300.098389f, -5912.618652f, 86.014885f);
            AddWaypoint(5, 2294.142090f, -5927.274414f, 75.316849f);
            AddWaypoint(6, 2286.984375f, -5944.955566f, 63.714966f);
            AddWaypoint(7, 2280.001709f, -5961.186035f, 54.228283f);
            AddWaypoint(8, 2259.389648f, -5974.197754f, 42.359348f);
            AddWaypoint(9, 2242.882812f, -5984.642578f, 32.827850f);
            AddWaypoint(10, 2217.265625f, -6028.959473f, 7.675705f);
            AddWaypoint(11, 2202.595947f, -6061.325684f, 5.882018f);
            AddWaypoint(12, 2188.974609f, -6080.866699f, 3.370027f);

            if (urand(0, 1)) {
                AddWaypoint(13, 2176.483887f, -6110.407227f, 1.855181f);
                AddWaypoint(14, 2172.516602f, -6146.752441f, 1.074235f);
                AddWaypoint(15, 2138.918457f, -6158.920898f, 1.342926f);
                AddWaypoint(16, 2129.866699f, -6174.107910f, 4.380779f);
                AddWaypoint(17, 2117.709473f, -6193.830078f, 13.3542f, 10000);
            } else {
                AddWaypoint(13, 2184.190186f, -6166.447266f, 0.968877f);
                AddWaypoint(14, 2234.265625f, -6163.741211f, 0.916021f);
                AddWaypoint(15, 2268.071777f, -6158.750977f, 1.822252f);
                AddWaypoint(16, 2270.028320f, -6176.505859f, 6.340538f);
                AddWaypoint(17, 2271.739014f, -6195.401855f, 13.3542f, 10000);
            }
        }

        void InitCartQuest(Player *who) {
            carGUID = who->GetVehicleBase()->GetGUID();
            InitWaypoint();
            Start(false, false, who->GetGUID());
            SetDespawnAtFar(false);
        }

        void WaypointReached(uint32 i) {
            switch (i) {
            case 1:
                if (Unit *car = Unit::GetCreature(*me, carGUID)) {
                    me->SetInFront(car);
                    me->SendMovementFlagUpdate();
                }
                me->MonsterSay(SAY_SCARLET_MINER1, LANG_UNIVERSAL, NULL);
                SetRun(true);
                IntroTimer = 4000;
                IntroPhase = 1;
                break;
            case 17:
                if (Unit *car = Unit::GetCreature(*me, carGUID)) {
                    me->SetInFront(car);
                    me->SendMovementFlagUpdate();
                    car->Relocate(car->GetPositionX(), car->GetPositionY(),
                            me->GetPositionZ() + 1);
                    car->SendMonsterStop();
                    car->RemoveAura(SPELL_CART_DRAG);
                }
                me->MonsterSay(SAY_SCARLET_MINER2, LANG_UNIVERSAL, NULL);
                break;
            default:
                break;
            }
        }

        void UpdateAI(const uint32 diff) {
            if (IntroPhase) {
                if (IntroTimer <= diff) {
                    if (IntroPhase == 1) {
                        if (Creature *car = Unit::GetCreature(*me, carGUID))
                            DoCast(car, SPELL_CART_DRAG);
                        IntroTimer = 800;
                        IntroPhase = 2;
                    } else {
                        if (Creature *car = Unit::GetCreature(*me, carGUID))
                            car->AI()->DoAction();
                        IntroPhase = 0;
                    }
                } else
                    IntroTimer -= diff;
            }
            npc_escortAI::UpdateAI(diff);
        }
    };
};

/*######
 ## go_inconspicuous_mine_car
 ######*/

#define SPELL_CART_SUMM   52463

class go_inconspicuous_mine_car: public GameObjectScript {
public:
    go_inconspicuous_mine_car() :
            GameObjectScript("go_inconspicuous_mine_car") {
    }

    bool OnGossipHello(Player* pPlayer, GameObject* /*pGO*/) {
        if (pPlayer->GetQuestStatus(12701) == QUEST_STATUS_INCOMPLETE) {
            // Hack Why Trinity Dont Support Custom Summon Location
            if (Creature *miner = pPlayer->SummonCreature(28841, 2383.869629f, -5900.312500f, 107.996086f, pPlayer->GetOrientation(), TEMPSUMMON_DEAD_DESPAWN, 1)) {
                pPlayer->CastSpell(pPlayer, SPELL_CART_SUMM, true);
                if (Creature *car = pPlayer->GetVehicleCreatureBase()) {
                    if (car->GetEntry() == 28817) {
                        car->AI()->SetGUID(miner->GetGUID());
                        CAST_AI(npc_scarlet_miner::npc_scarlet_minerAI, miner->AI())->InitCartQuest(
                                pPlayer);
                    } else
                        sLog->outError(
                                "TSCR: OnGossipHello vehicle entry is not correct.");
                } else
                    sLog->outError(
                            "TSCR: OnGossipHello player is not on the vehicle.");
            } else
                sLog->outError(
                        "TSCR: OnGossipHello Scarlet Miner cant be found by script.");
        }
        return true;
    }
};

// npc 28912 quest 17217 boss 29001 mob 29007 go 191092

void AddSC_the_scarlet_enclave_c1() {
    new npc_unworthy_initiate();
    new npc_unworthy_initiate_anchor();
    new go_acherus_soul_prison();
    new npc_eye_of_acherus();
    new npc_death_knight_initiate();
    new npc_salanar_the_horseman();
    new npc_dark_rider_of_acherus();
    new npc_ros_dark_rider();
    new npc_dkc1_gothik();
    new npc_scarlet_ghoul();
    new npc_scarlet_miner();
    new npc_scarlet_miner_cart();
    new go_inconspicuous_mine_car();
}
